CN104460627B - A kind of power station turbine-generator units display ＆ control system and its control method - Google Patents
A kind of power station turbine-generator units display ＆ control system and its control method Download PDFInfo
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- CN104460627B CN104460627B CN201410750144.9A CN201410750144A CN104460627B CN 104460627 B CN104460627 B CN 104460627B CN 201410750144 A CN201410750144 A CN 201410750144A CN 104460627 B CN104460627 B CN 104460627B
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- 238000000034 method Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 238000004891 communication Methods 0.000 claims abstract description 52
- 230000003044 adaptive effect Effects 0.000 claims abstract description 8
- 230000003993 interaction Effects 0.000 claims abstract description 6
- 238000010248 power generation Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention relates to a kind of power station turbine-generator units display ＆ control system and its control method.The multiple turbine-generator units display control devices being connected including Surveillance center's computer and with Surveillance center's computer；Turbine-generator units display control device includes control unit and the man-machine interaction unit being connected with the control unit, communication unit, adaptive switched circuit and power supply unit；Adaptive switched circuit is also connected to sensor unit through outside interface of expanding；Sensor unit include for detect rotational speed of water turbine rotational speed of water turbine sensor, for detecting the generator speed sensor of generator speed, for detecting the pressure sensor of dam bottom water inlet valve pressure, for detecting the first water yield flowmeter of dam bottom water inlet discharge, for detecting the second water yield flowmeter and the temperature sensor for detecting generating set temperature of hydroturbine water intake amount.The present invention can show the operating mode of turbine-generator units in real time, and can be monitored by Surveillance center's computer remote.
Description
Technical field
The present invention relates to a kind of power station turbine-generator units display ＆ control system and its control method.
Background technology
In order that each turbine-generator units can be clear, eye-catching, attractive in appearance show its running status and major parameter.
It is thus desirable to setting up the operating mode of unit now display system, it is easy to all personnel to observe the ruuning situation of unit at any time, existing
The operating mode of unit lack the system of being explicitly indicated now, be unfavorable for that Field Force gets information about the operation conditions of each unit.
Accordingly, it would be desirable to the operating mode of a set of unit now display system is set up, and corresponding instrument equipment is upgraded, improve machine further
The monitoring system of group, so as to improve reliability and the security of unit operation.
Content of the invention
It is an object of the invention to provide a kind of operating mode that can show turbine-generator units in real time, and can be by monitoring
The power station turbine-generator units display ＆ control system of central computer remote monitoring and its control method.
For achieving the above object, the technical scheme is that：A kind of power station turbine-generator units display ＆ control system, including
One Surveillance center's computer and the multiple turbine-generator units display control devices being connected with Surveillance center's computer；The water wheels are sent out
Group of motors display control device includes control unit and the man-machine interaction unit being connected with the control unit, communication unit, adaptive switched electricity
Road and the power supply unit for powering for whole system；The adaptive switched circuit is also connected to sensor list through outside interface of expanding
Unit；The sensor unit include for detect rotational speed of water turbine rotational speed of water turbine sensor, for detecting generator speed
Generator speed sensor, for detecting the pressure sensor of dam bottom water inlet valve pressure, for detecting dam bottom
First water yield flowmeter of portion's water inlet discharge, for detecting the second water yield flowmeter of hydroturbine water intake amount and for examining
Survey the temperature sensor of turbine-generator units temperature.
In embodiments of the present invention, the man-machine interaction unit includes LCD touch screen and warning LED.
In embodiments of the present invention, the communication unit includes ethernet communication module, 485 communication modules and GPRS communication
Module.
In embodiments of the present invention, 485 communication module includes 485 communication chips, triode, first to fourth electricity
Resistance, electric capacity, the first to second fuse and first are connected to 5V power supply to the 3rd diode, the VCC end of 485 communication chip
End, and through capacitance connection to ground terminal, the GND end of 485 communication chip are connected to ground terminal, and the first of 485 communication chip
Input and the 3rd input are connected to the colelctor electrode of triode, and the colelctor electrode of the triode is also connected to the ground through second resistance
End, the base stage of the triode are connected to described control unit through first resistor, and the emitter stage of the triode is connected to 5V electricity
Source, the second input of 485 communication chip and the 4th input are connected to described control unit, the 485 communication core
First output end of piece is connected to the VCC end of 485 communication chips, the first output end of 485 communication chip through 3rd resistor
The negative pole end of first diode be also connected to through first fuse, and the second output end of 485 communication chip is through the 4th
Resistance is connected to ground terminal, and the second output end of 485 communication chip is also connected to the 3rd diode through second fuse
Negative pole end, the positive terminal of first diode is connected to ground terminal, and the negative pole end of first diode is additionally coupled to described
The positive terminal of the second diode, the negative pole end of second diode are connected to the negative pole end of the 3rd diode, and described
The positive terminal of three diodes is connected to ground terminal.
In embodiments of the present invention, said supply unit is included solar-electricity source module and is supplied using hydraulic turbine self power generation
Electricity.
Present invention also offers a kind of control method based on power station turbine-generator units display ＆ control system described above,
Comprise the steps,
Step S1：Start turbine-generator units, and rotational speed of water turbine, generator speed, water are gathered by sensor unit
Dam bottom water inlet valve pressure, dam bottom water inlet discharge, hydroturbine water intake amount and turbine-generator units temperature；
Step S2：Whether rotational speed of water turbine, generator speed is judged more than desired speed value, if rotational speed of water turbine, generating
Machine rotating speed is more than desired speed value, then reduce dam bottom water inlet valve opening；If rotational speed of water turbine, generator speed are little
In desired speed value, then increase dam bottom water inlet valve opening；
Step S3：Whether dam bottom water inlet valve pressure is judged more than preset pressure value, if water inlet valve pressure
Value then shows red alarm by warning LED, and is sent to Surveillance center's calculating by communication module more than scheduled pressure value
Machine；
Step S4：In real time dam bottom water inlet discharge, hydroturbine water intake amount and rotational speed of water turbine, generator are turned
Speed is sent to Surveillance center's computer, describes dam bottom water inlet discharge, hydroturbine water intake by Surveillance center's computer
Amount and the real-time curve of rotational speed of water turbine, generator speed.
Compared to prior art, the invention has the advantages that：
1st, circuit structure of the present invention is simple, it is easy to accomplish；
2 present invention achieves the operating mode of turbine-generator units shows on the spot.
Description of the drawings
Fig. 1 is present system block diagram.
Fig. 2 is turbine-generator units display control device block diagram of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
As shown in Figure 1-2, a kind of power station turbine-generator units display ＆ control system of the present invention, including Surveillance center's computer
And the multiple turbine-generator units display control devices being connected with Surveillance center's computer；The turbine-generator units display control device bag
Include control unit and the man-machine interaction unit being connected with the control unit, communication unit, adaptive switched circuit and for for whole being
The power supply unit of system power supply；The adaptive switched circuit is also connected to sensor unit through outside interface of expanding；The sensor list
Unit include for detect rotational speed of water turbine rotational speed of water turbine sensor, for detect generator speed generator speed sense
Device, for detecting the pressure sensor of dam bottom water inlet valve pressure, for detecting dam bottom water inlet discharge
First water yield flowmeter, for detecting the second water yield flowmeter of hydroturbine water intake amount and for detecting turbine-generator units temperature
The temperature sensor of degree.
In embodiments of the present invention, the man-machine interaction unit includes LCD touch screen and warning LED.
In embodiments of the present invention, the communication unit includes ethernet communication module, 485 communication modules and GPRS communication
Module.
485 communication module include 485 communication chips, triode, first to fourth resistance, electric capacity, the first to the second
Fuse and the first to the 3rd diode, the VCC end of 485 communication chip are connected to 5V power end, and through capacitance connection extremely
Ground terminal, the GND end of 485 communication chip are connected to ground terminal, the first input end of 485 communication chip and the 3rd input
The colelctor electrode of triode is connected to, the colelctor electrode of the triode is also connected to ground terminal, the base of the triode through second resistance
Pole is connected to described control unit through first resistor, and the emitter stage of the triode is connected to 5V power end, the 485 communication core
Second input of piece and the 4th input are connected to described control unit, and the first output end of 485 communication chip is through
Three resistance are connected to the VCC end of 485 communication chips, and the first output end of 485 communication chip also connects through first fuse
To the negative pole end of first diode, the second output end of 485 communication chip is connected to ground terminal through the 4th resistance, described
Second output end of 485 communication chips is also connected to the negative pole end of the 3rd diode through second fuse, and the described 1st
The positive terminal of pole pipe is connected to ground terminal, and the negative pole end of first diode is additionally coupled to the positive terminal of second diode,
The negative pole end of second diode is connected to the negative pole end of the 3rd diode, the positive terminal connection of the 3rd diode
To ground terminal.
In embodiments of the present invention, said supply unit is included solar-electricity source module and is supplied using hydraulic turbine self power generation
Electricity.
Present invention also offers a kind of control method based on power station turbine-generator units display ＆ control system described above,
Comprise the steps,
Step S1：Start turbine-generator units, and rotational speed of water turbine, generator speed, water are gathered by sensor unit
Dam bottom water inlet valve pressure, dam bottom water inlet discharge, hydroturbine water intake amount and turbine-generator units temperature；
Step S2：Whether rotational speed of water turbine, generator speed is judged more than desired speed value, if rotational speed of water turbine, generating
Machine rotating speed is more than desired speed value, then reduce dam bottom water inlet valve opening；If rotational speed of water turbine, generator speed are little
In desired speed value, then increase dam bottom water inlet valve opening；
Step S3：Whether dam bottom water inlet valve pressure is judged more than preset pressure value, if water inlet valve pressure
Value then shows red alarm by warning LED, and is sent to Surveillance center's calculating by communication module more than scheduled pressure value
Machine；
Step S4：In real time dam bottom water inlet discharge, hydroturbine water intake amount and rotational speed of water turbine, generator are turned
Speed is sent to Surveillance center's computer, describes dam bottom water inlet discharge, hydroturbine water intake by Surveillance center's computer
Amount and the real-time curve of rotational speed of water turbine, generator speed.
It is more than presently preferred embodiments of the present invention, all changes that is made according to technical solution of the present invention, produced function are made
During with scope without departing from technical solution of the present invention, protection scope of the present invention is belonged to.
Claims (4)
1. a kind of power station turbine-generator units display ＆ control system, it is characterised in that：Including Surveillance center's computer and with the prison
Multiple turbine-generator units display control devices of control central computer connection；The turbine-generator units display control device includes that control is single
Unit and the man-machine interaction unit being connected with the control unit, communication unit, adaptive switched circuit and for powering for whole system
Power supply unit；The adaptive switched circuit is also connected to sensor unit through outside interface of expanding；The sensor unit includes to use
In detection rotational speed of water turbine rotational speed of water turbine sensor, for detect generator speed generator speed sensor, be used for
Detect the pressure sensor of dam bottom water inlet valve pressure, be used for detecting first water yield of dam bottom water inlet discharge
Flowmeter, for detecting the second water yield flowmeter and the temperature for detecting turbine-generator units temperature of hydroturbine water intake amount
Sensor；The communication unit includes ethernet communication module, 485 communication modules and GPRS communication module；The 485 communication mould
Block includes 485 communication chips, triode, first to fourth resistance, electric capacity, the first to second fuse and the first to the 3rd 2 pole
Pipe, the VCC end of 485 communication chip are connected to 5V power end, and through capacitance connection to ground terminal, 485 communication chip
GND end is connected to ground terminal, and the first input end of 485 communication chip and the 3rd input are connected to the colelctor electrode of triode,
The colelctor electrode of the triode is also connected to ground terminal through second resistance, and the base stage of the triode is connected to described through first resistor
Control unit, the emitter stage of the triode are connected to 5V power end, the second input of 485 communication chip and the 4th defeated
Enter end and described control unit is connected to, the first output end of 485 communication chip is connected to 485 communication chips through 3rd resistor
VCC end, the first output end of 485 communication chip is also connected to the negative pole of first diode through first fuse
End, the second output end of 485 communication chip are connected to ground terminal, the second output of 485 communication chip through the 4th resistance
End is also connected to the negative pole end of the 3rd diode through second fuse, and the positive terminal of first diode is connected to the ground
End, the negative pole end of first diode are additionally coupled to the positive terminal of second diode, the negative pole of second diode
End is connected to the negative pole end of the 3rd diode, and the positive terminal of the 3rd diode is connected to ground terminal.
2. a kind of power station turbine-generator units display ＆ control system according to claim 1, it is characterised in that：The man-machine friendship
Mutually unit includes LCD touch screen and warning LED.
3. a kind of power station turbine-generator units display ＆ control system according to claim 1, it is characterised in that：The power supply is single
Unit includes solar-electricity source module and adopts hydraulic turbine self-power generation and power supply.
4. the control method of turbine-generator units display ＆ control system in power station according to claim 1, it is characterised in that：Including
Following steps,
Step S1：Start turbine-generator units, and rotational speed of water turbine, generator speed, dam bottom are gathered by sensor unit
Portion's water inlet valve pressure, dam bottom water inlet discharge, hydroturbine water intake amount and turbine-generator units temperature；
Step S2：Whether rotational speed of water turbine, generator speed is judged more than desired speed value, if rotational speed of water turbine, generator turn
Speed is more than desired speed value, then reduce dam bottom water inlet valve opening；If rotational speed of water turbine, generator speed are less than pre-
Determine tachometer value, then increase dam bottom water inlet valve opening；
Step S3：Whether dam bottom water inlet valve pressure is judged more than preset pressure value, if water inlet valve pressure value is big
In preset pressure value, then show red alarm by warning LED, and Surveillance center's computer is sent to by communication unit；
Step S4：In real time dam bottom water inlet discharge, hydroturbine water intake amount and rotational speed of water turbine, generator speed are sent out
Give Surveillance center's computer, by Surveillance center computer describe dam bottom water inlet discharge, hydroturbine water intake amount with
And the real-time curve of rotational speed of water turbine, generator speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410750144.9A CN104460627B (en) | 2014-12-10 | 2014-12-10 | A kind of power station turbine-generator units display ＆ control system and its control method |
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| CN201410750144.9A CN104460627B (en) | 2014-12-10 | 2014-12-10 | A kind of power station turbine-generator units display ＆ control system and its control method |
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| CN105114233B (en) * | 2015-08-14 | 2017-12-22 | 高建新 | A kind of water conservancy generator temperature control system for water generating |
| CN105955170A (en) * | 2016-06-28 | 2016-09-21 | 铜仁学院 | Automatic control system for water conservancy |
| CN106354108A (en) * | 2016-08-27 | 2017-01-25 | 成都东创精英科技有限公司 | Multi-circuit processing monitoring system for hydraulic turbine temperature signals based on network technologies |
| CN107941203A (en) * | 2017-11-29 | 2018-04-20 | 张建洲 | A kind of intellectual faculties and method |
| CN110442100B (en) * | 2019-08-06 | 2020-11-17 | 华能国际电力股份有限公司玉环电厂 | Thermal control intelligent DCS diagnosis early warning method and system |
| CN113110349B (en) * | 2021-04-27 | 2022-03-25 | 湖南省水利投地方电力有限公司 | Display and control device for hydroelectric generating set of hydropower station |
| CN116074658B (en) * | 2023-03-06 | 2023-08-25 | 成都大汇物联科技有限公司 | Hydropower station dam foundation monitoring method and system based on Internet of things |
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